It struck me that this felt like a combination of “The Man in the Iron Mask” and “The Decline and Fall of the Roman Empire.” Following Marcus Aurelius's death, his son Commodus (played by Mimmo Palmara) takes over and immediately begins a period marked by gladiatorial contests alongside large-scale theft and acts of violence. However, he doesn’t know that a twin brother was hidden at birth by senator “Tarrunio” (Gian…